Musculoskeletal system

Question 1

Head)
What is the function of the cranial bones?
Which bone is the only mobile facial bone?

What is the function of the facial bones? Of the mandible?

Answer 1

• To protect the cranium and brain
• the mandible
• facial bones are for protections and the mandibles are for chewing and speaking

Question 2

Trunk)

The functions of the rib cage
Function of vertebral column and the different parts of it.

Answer 2

-Rib cage: protects heart and lungs and the organs of the upper body
Vertebral column: Absorbs impact, maintains balance and protects the spinal cord
- Cervical (Neck) (7), Thoracic (Thorax) (12) , Lumbar (Lower Back)(5) , Sacrum (Hips)( 5 fused) , Coccyx (Tailbone) (4 fused)

Question 3

What are the intervertebral discs and what are the functions?

Answer 3

Small pads of cartilage between vertebrae
function as support and balance

Question 4

The 3 parts of the long bone and Functions of the parts of the long bone

Answer 4

Epiphysis, Diaphysis, and Epiphysis

Periosteum: skin of the bone, helps heal bone
Compact bone: gives the bone its hardness and provides a mineral reserve
Articular cartilage: part that allows the bone to move in a joint
Bone marrow (red and yellow)
red: blood production (white,red and platelets)
yellow: nutrient storage

Question 5

What are the two types of bone tissue? Where are they found?

Answer 5

Spongy and Compact
Spongy is in the epiphysis/ compact is in the diaphysis

Question 6

Describe the buildup of lactic acid in muscles

Answer 6

Lack of hydration leads to less water in the body which leads to the slowing down of circulation, less glucose and oxygen to muscles, the cellular respiration goes down and become incomplete c3 h6 03 = LACTIC ACID

Question 7

Describe the components of a joint

Answer 7

Ligament: Connect the bones that constitute the joint
Articular Cartilage: Protects the bone surfaces from impact and friction
Synovia or Synovial fluid: A fluid that lubricates the joint